<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="发布时间" prop="articleDate">
        <el-date-picker clearable
                        v-model="queryParams.articleDate"
                        type="date"
                        value-format="yyyy-MM-dd"
                        placeholder="请选择发布时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:article:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:article:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:article:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:article:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table border v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" show-overflow-tooltip/>
      <el-table-column label="文章标题" align="center" prop="articleTitle" show-overflow-tooltip/>
      <el-table-column label="文章内容" align="center" prop="articleContent" width="220px" show-overflow-tooltip/>
      <el-table-column label="文章浏览次数" align="center" prop="articleViews" show-overflow-tooltip/>
      <el-table-column label="发布时间" align="center" prop="articleDate" width="180px" show-overflow-tooltip>
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.articleDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="点赞数量" align="center" prop="articleLikes" show-overflow-tooltip/>
      <el-table-column label="作者昵称" align="center" prop="articleAuthor" show-overflow-tooltip/>
      <el-table-column label="图片路径" align="center" prop="articlePicpath" show-overflow-tooltip/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" fixed="right" width="260px">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="warning"
            @click="checkArticleComments(scope.row)"
            v-hasPermi="['system:article:edit']"
          >评论列表管理
          </el-button>
          <el-button
            size="mini"
            type="primary"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:article:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="danger"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:article:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改文章对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="文章标题" prop="articleTitle">
          <el-input v-model="form.articleTitle" type="textarea" placeholder="请输入内容"/>
        </el-form-item>
        <el-form-item label="文章内容">
          <editor v-model="form.articleContent" :min-height="192"/>
        </el-form-item>
        <el-form-item label="发布时间" prop="articleDate">
          <el-date-picker clearable
                          v-model="form.articleDate"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择发布时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="点赞数量" prop="articleLikes">
          <el-input v-model="form.articleLikes" placeholder="请输入点赞数量"/>
        </el-form-item>
        <el-form-item label="作者昵称" prop="articleAuthor">
          <el-input v-model="form.articleAuthor" placeholder="请输入作者昵称"/>
        </el-form-item>
        <el-form-item label="图片路径" prop="articlePicpath">
          <el-input v-model="form.articlePicpath" placeholder="请输入图片路径"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>


    <!--    文章评论管理的dialog-->
    <el-dialog
      title="查看文章评论"
      :visible.sync="articleCommentDialogVisible" width="40%">
      <el-row>
        <el-col :span="4">
          <el-button @click="addCommentsForArticle" type="success">添加评论</el-button>
        </el-col>
      </el-row>
      <br/>
      <el-row>
        <el-table
          :data="articleCommentList"
          border
          style="width: 100%">
          <el-table-column
            prop="commentPublisher"
            label="评论人"
            width="120">
          </el-table-column>
          <el-table-column
            prop="commentContent"
            label="评论内容"
            width="120">
          </el-table-column>
          <el-table-column
            prop="commentLikes"
            label="点赞数"
            width="120">
          </el-table-column>
          <el-table-column
            prop="commentDate"
            label="评论时间"
            width="300">
          </el-table-column>
          <el-table-column
            label="操作"
            width="100" fixed>
            <template slot-scope="scope">
              <el-button @click="handleCheckArticleComment(scope.row)" type="text" size="small">操作</el-button>
              <el-button type="text" size="small">编辑</el-button>
            </template>
          </el-table-column>
        </el-table>
        <pagination
          v-show="comment_total>0"
          :total="comment_total"
          :page.sync="queryCommentParams.pageNum"
          :limit.sync="queryCommentParams.pageSize"
          @pagination="getCommentList"
        />
      </el-row>
      <span slot="footer" class="dialog-footer">
    <el-button @click="articleCommentDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="articleCommentDialogVisible = false">确 定</el-button>
  </span>
    </el-dialog>


    <!--    给本篇文章添加评论-->
    <el-dialog
      title="添加文章评论"
      :visible.sync="addCommentDialogVisible" width="40%" append-to-body>
      <el-row>
        <el-form label-width="80px" :model="addCommentModel">
          <el-form-item label="评论内容">
            <el-input type="textarea" v-model="addCommentModel.commentContent"></el-input>
          </el-form-item>
        </el-form>
      </el-row>
      <span slot="footer" class="dialog-footer">
    <el-button @click="addCommentDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="submitAddCommentForArticle">确 定</el-button>
  </span>
    </el-dialog>
  </div>
</template>

<script>
import {
  listArticle,
  getArticle,
  delArticle,
  addArticle,
  updateArticle,
  getArticleCommentList
} from "@/api/system/article";
import {parseTime} from "../../../utils/ruoyi";
import {addComments} from "@/api/system/comments";
import mixin_article from "@/mixin/article";

export default {
  name: "Article",
  mixins: [mixin_article],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文章表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userId: null,
        articleTitle: null,
        articleContent: null,
        articleViews: null,
        articleComment: null,
        articleDate: null,
        articleLikes: null,
        articleAuthor: null,
        articlePicpath: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        articleTitle: [
          {required: true, message: "文章标题不能为空", trigger: "blur"}
        ],
        articleContent: [
          {required: true, message: "文章内容不能为空", trigger: "blur"}
        ],
      },

      //文章评论管理
      articleCommentDialogVisible: false,
      articleCommentList: [],
      //管理员添加评论
      addCommentDialogVisible: false,
      addCommentModel: {},
      currentId: null,
    };
  },
  computed: {
    currentID: {
      set(val) {
        this.currentId = val
      },
      get() {
        return this.currentId
      }
    }
  },
  watch: {
    currentId: {
      handler(val) {
        this.currentID = val;
      }
    }
  },
  created() {
    this.getList();
  },
  methods: {
    parseTime,
    //操作文章评论
    handleCheckArticleComment(row) {

    },
    //管理员给文章手动评论
    addCommentsForArticle() {
      this.addCommentDialogVisible = true;
    },
    //添加评论
    submitAddCommentForArticle() {
      addComments({...this.addCommentModel, targetArticleId: this.currentID}).then(res => {
        this.$message.success("添加成功")
        this.addCommentDialogVisible = false
        //重新拉取数据
        this.getCommentList()
      })
    },
    //system
    /** 查询文章列表 */
    getList() {
      this.loading = true;
      listArticle(this.queryParams).then(response => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        articleId: null,
        userId: null,
        articleTitle: null,
        articleContent: null,
        articleViews: null,
        articleComment: null,
        articleDate: null,
        articleLikes: null,
        articleAuthor: null,
        articlePicpath: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.articleId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const articleId = row.articleId || this.ids
      getArticle(articleId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文章";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.articleId != null) {
            updateArticle(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticle(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const articleIds = row.articleId || this.ids;
      this.$modal.confirm('是否确认删除文章编号为"' + articleIds + '"的数据项？').then(function () {
        return delArticle(articleIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/article/export', {
        ...this.queryParams
      }, `article_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
